Science Assessment Guide

1. Science Assessment Guide 4th Grade LEAP Practice

2. Mrs. Henderson’s class has five small covered boxes. One contains perfume; another contains dried onions. There is also a box of pine needles, a box of lemon pieces, and a box with a paper towel wetted with vanilla flavoring. Which should they do to get the best information about what is in each box? A. Shake the boxes. B. Smell the boxes. C. Listen to the boxes. D. Weigh the boxes.

3. Mark is using these materials to compare how water flows through three different soils. Which safety rules should he follow while doing the experiment? A. fire safety rules B. glassware safety rules C. electrical safety rules D. plant safety rules

4. What does the chart show about Hoover Elementary School? A. Brown is the most common eye color in each fourth-grade class. B. Green is the least common eye color in both fourth-grade classes. C. Brown is the most common eye color in the fourth grade. D. Blue eyes are more common in boys than in girls in the fourth grade.

5. Which of the following is an example of matter changing state? A. heating a pan of water until the water is all gone B. putting a soft-drink can in the refrigerator to cool it C. heating soup on the stove until it is hot to your tongue D. transferring sugar into a storage container

6. If each horse is pulling with the same force, in which direction will the rock move? A. north B. east C. south D. west

7. The spoon appears to be broken where it enters the water because A. the light is reflected by the water. B. the light is absorbed by the water. C. the light is bent by the water. D. the light is dissolved by the water.

8. Which type of force requires contact between two objects for one to push or pull the other? A. frictional forces slowing down a rolling soccer ball B. the magnetic force pulling paper clips to a powerful electromagnet C. the magnetic force pushing two magnets apart D. the force of gravity acting on raindrops that fall to Earth Jeannie put her soccer ball on the ground on the side of a hill. What force acted on the soccer ball to make it roll down the hill? A. gravity B. electricity C. friction D. magnetism

9. Jeannie put her soccer ball on the ground on the side of a hill. What force acted on the soccer ball to make it roll down the hill? A. gravity B. electricity C. friction D. magnetism

10. On a field trip in a wooded area, you see a small, strange object. You wonder whether it is a live animal. The best way to find out is to observe the object to see if it A. has an odor. B. has separate parts. C. can make a noise and has a lifelike color. D. carries out basic life functions.

11. What does the heart do for the body? A. It takes oxygen in from the environment. B. It turns food into energy. C. It removes waste from the blood. D. It moves blood through the body.

12. What could you add to this to make it a more balanced meal? A. a glass of milk B. a banana C. a pork chop D. a muffin

14. A rock sample will most likely contain A. plants. B. minerals. C. water. D. wood.

15. Which object in the sky is a satellite of the planet Earth? A. Sun B. Moon C. Mars D. Saturn

16. Why do the Sun and Moon appear to move across the sky? A. The rotation of the solar system makes the Sun and Moon seem to move. B. The rotation of Earth makes the Sun and Moon seem to move. C. The Sun and Moon revolve around Earth. D. Earth revolves around the Sun and the Moon.

17. You are getting up to go to school in Louisiana; a student on the other side of Earth is getting ready for bed. What is the reason for this? A. Earth revolves around the Sun. B. Earth rotates on its axis. C. The Sun rotates on its axis. D. The Moon revolves around Earth.

18. Which of these is a nonliving thing? A. a mushroom B. a tree C. a worm D. a river Carmine’s mother drinks four cans of soft drink each day. After drinking the soft drinks, Carmine’s mother should A. throw the cans in the trash. B. send the cans to a landfill. C. take the cans to be recycled. D. crush the cans before putting them in the trash.

19. Carmine’s mother drinks four cans of soft drink each day. After drinking the soft drinks, Carmine’s mother should A. throw the cans in the trash. B. send the cans to a landfill. C. take the cans to be recycled. D. crush the cans before putting them in the trash.

20. A wetland was drained to build a mall. Two years later, there were no more toads in that area. Why did the toads disappear? A. The toads were destroyed by the construction equipment. B. The toads died because toads cannot breathe out of water. C. The toads were frightened and went into the woods. D. The toads got their food from the wetland ecosystem.

21. What is one way people are helping the environment? A. They are planting trees to replace the ones that are cut. B. They are building more roads so more people can see natural areas. C. They are building more dumps to hold the trash we create. D. They are using their cars more to get to places faster.

22. Which of these lists only living parts of this ecosystem? A. fox, tree, grass B. sun, stream, cloud C. cloud, grass, rock D. stream, cloud, fox

24. How would the movement of the wagon be affected if she pulled harder on the wagon? • B. How would the movement of the wagon be affected if her little brother were sitting in the wagon? The wagon would move faster. • The wagon would move slower. • It will take more force to move the wagon. • It will be harder to move the wagon.

26. Why did the owl population change? • B. What could have been done to prevent the change in the owl population? The owl population changed because of loss of habitat. When the acres of land were cleared for lumber, the owl habitat (food and home) was destroyed. If all trees had not been cut—or if some land had been left for habitat preservation— the owl population would not have decreased so rapidly. Plant new trees as replacement habitat or cut part of the forest, leaving some for habitat. Run a conservation campaign, put up signs, have a rally, write laws.

28. List the organisms from your Data Sheet that have antennae. Dragonfly Snail Waterbug Give two reasons why the dragonfly and water bug are similar. both live in the water both have antennae both have six legs both eat snails

29. The bass will all die. If there are no algae for the insects to eat, the insects will die. If there are no insects, the bluegills will die. If all the bluegills die, the bass will starve.